HomeBelts and Cooling > Hoses and PipesDorman 624-436 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler Outlet (Upper)
Part #: 624-436

Dorman 624-436 Automatic Transmission Oil Cooler Hose Assembly - Auxiliary Cooler Outlet (Upper)

Auxiliary Cooler Outlet (Upper)
12 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500
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Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 624-436 automatic transmission oil cooler hose assembly is designed to provide a durable and flexible connection for your vehicle's transmission cooling system. Engineered to meet the specific requirements of Chevrolet and GMC heavy-duty trucks, this hose assembly ensures efficient fluid transfer and reliable performance under varying temperature and pressure conditions.

  • Length: 9.13 inches for precise fitment
  • Hose color: Natural for easy identification
  • Ends feature quick disconnect fittings for straightforward installation
  • Inside diameter of 0.53 inches at End 1 for proper fluid flow
  • Constructed with a combination of metal and rubber materials for flexibility and durability
  • Maximum working pressure rated at 100 psi
  • Operates effectively between -40°F and 329°F
  • Straight hose shape to match factory routing
  • Flexible design to accommodate engine movement without damage

Durable Construction and Precise Fitment

The Dorman 624-436 hose assembly combines metal and rubber components to deliver a flexible yet robust solution for automatic transmission oil cooling. Its straight hose shape and quick disconnect ends simplify installation and maintenance, while the natural hose color aids in visual inspections. Designed to withstand pressures up to 100 psi and temperatures ranging from -40°F to 329°F, this hose assembly maintains integrity under demanding operating conditions. The 9.13-inch length and 0.53-inch inside diameter ensure compatibility with the transmission cooling systems of select Chevrolet and GMC trucks.

Compatible Vehicles and Applications

This automatic transmission oil cooler hose assembly is compatible with the following vehicles:

  • Chevrolet Silverado 2500 HD
  • Chevrolet Silverado 3500
  • Chevrolet Sierra 2500 HD
  • Chevrolet Sierra 3500
  • GMC Sierra 2500 HD
  • GMC Sierra 3500

It is designed to replace worn or damaged transmission cooler lines, ensuring proper fluid circulation and transmission temperature regulation.

Common Issues Addressed by This Hose Assembly

  • Leaking or cracked transmission oil cooler hoses
  • Reduced transmission cooling efficiency due to damaged lines
  • Transmission fluid contamination from compromised hoses
  • Overheating transmission caused by faulty cooler hose connections
  • Difficulty in fluid flow due to hose kinks or blockages

Installation Notes and Tips

When installing the Dorman 624-436 hose assembly, ensure the quick disconnect fittings are securely engaged to prevent leaks. Verify the hose routing matches the original factory path to avoid kinks or interference with other engine components. Inspect surrounding components for wear or damage during installation. No gasket or seal is included, so reuse existing seals if applicable or source replacements as needed.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number 624-436 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number624-436
Hose ColorNatural
Length9.13
End 1 TypeQuick disconnect
End 2 TypeQuick disconnect
End 1 Inside Diameter0.53
Contains SpringNo
Maximum Working Pressure100
Hose ShapeStraight
Hose MaterialMetal
Hose MaterialRubber
FlexibleYes
Gasket or Seal IncludedNo
Maximum Operating Temperature (┬░F)329 deg. f
Minimum Operating Temperature (┬░F)-40 deg. f
Package Contents1 transmission line

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003ChevroletSilverado 2500 HD8.1LV8Auxiliary Cooler Outlet (Upper)
2003ChevroletSilverado 35008.1LV8Auxiliary Cooler Outlet (Upper)
2003GMCSierra 2500 HD8.1LV8Auxiliary Cooler Outlet (Upper)
2003GMCSierra 35008.1LV8Auxiliary Cooler Outlet (Upper)
2002ChevroletSilverado 2500 HD8.1LV8Auxiliary Cooler Outlet (Upper)
2002ChevroletSilverado 35008.1LV8Auxiliary Cooler Outlet (Upper)
2002GMCSierra 2500 HD8.1LV8Auxiliary Cooler Outlet (Upper)
2002GMCSierra 35008.1LV8Auxiliary Cooler Outlet (Upper)
2001ChevroletSilverado 2500 HD8.1LV8Auxiliary Cooler Outlet (Upper)
2001ChevroletSilverado 35008.1LV8Auxiliary Cooler Outlet (Upper)
2001GMCSierra 2500 HD8.1LV8Auxiliary Cooler Outlet (Upper)
2001GMCSierra 35008.1LV8Auxiliary Cooler Outlet (Upper)

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15767601

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.